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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">DIOXIDO DE CARBONO</topic></authority><related type="narrower"><topic>DIOXIDO DE CARBONO ATMOSFERICO</topic></related><related type="narrower"><topic>EFECTO INVERNADERO ATMOSFERICO</topic></related><related type="narrower"><topic>HIELO SECO</topic></related><related type="other"><topic>GASES</topic></related><related type="other"><topic>HIPERCAPNIA</topic></related><related type="other"><topic>CICLO DEL CARBONO (BIOGEOQUIMICA)</topic></related><related type="broader"><topic>OXIDOS</topic></related><related type="broader"><topic>COMPUESTOS DE CARBON</topic></related><variant type="other"><topic>Anhídrico carbónico</topic></variant><variant type="other"><topic>Bióxido de carbono</topic></variant></mads>